Increasing value of variable via button in kivy

I am trying to increase variable value, but I get this error: “UnboundLocalError: local variable ‘x’ referenced before assignment” Can someone help me please? .kv: <InputValuesScr>: GridLayout: rows:2 TextInput: input_filter: ‘float’ font_size: 50 text: ‘Please, input value of x1’ id: xval multiline: False on_touch_down: self.text = ” Button: text: ‘Submit’ on_press: root.x_changer() .py: global x…

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Does MAPIGetDefaultMalloc require the caller to subsequently release the memory?

According to MSDN, to open an Outlook message using MAPI, you do this: LPMESSAGE pMessage = NULL; LPMALLOC pMalloc = MAPIGetDefaultMalloc(); hr = OpenIMsgOnIStg (NULL, MAPIAllocateBuffer, MAPIAllocateMore, MAPIFreeBuffer, pMalloc, NULL, pStorage, NULL, 0, 0, &pMessage); I wasn’t clear on whether the pMalloc pointer would need to be released later on. Here is the function documentation,…

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Change language-specific font in Ubuntu 18.04 not working

I recently upgraded my OS from Ubuntu 16.04 to 18.04. I’m trying to change language-specific fonts in Ubuntu 18.04. Placed a config file in /etc/fonts/conf.d/69-language-selector-fa.conf with following content and reloaded my settings. <?xml version=”1.0″?> <!DOCTYPE fontconfig SYSTEM “fonts.dtd”> <fontconfig> <match target=”pattern”> <test name=”lang” compare=”contains”> <string>fa</string> </test> <test qual=”any” name=”family”> <string>sans-serif</string> </test> <edit name=”family” mode=”prepend” binding=”strong”>…

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